//package com.haighcom.config;
//
//
//import com.haighcom.model.CheckGroup;
//import com.haighcom.model.Permission;
//import com.haighcom.model.Role;
//import com.haighcom.model.User;
//import com.haighcom.service.UserService;
//import org.springframework.beans.factory.annotation.Autowired;
//import org.springframework.security.core.GrantedAuthority;
//import org.springframework.security.core.authority.SimpleGrantedAuthority;
//import org.springframework.security.core.userdetails.UserDetails;
//import org.springframework.security.core.userdetails.UserDetailsService;
//import org.springframework.security.core.userdetails.UsernameNotFoundException;
//import org.springframework.stereotype.Component;
//
//import java.util.ArrayList;
//import java.util.Set;
//
//@Component
//public class SpringSecurityUserService implements UserDetailsService {
//
//    @Autowired
//    private UserService userService;
//
//    //根据用户名查询数据库获取用户信息
//    @Override
//    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
//        User user = userService.findByUserName(username);
//
//        if (user == null){
//            //用户名不存在
//            return null;
//        }
//        ArrayList<GrantedAuthority> list = new ArrayList<>();
//        //动态为当前用户授权
//        Set<Role> roles = user.getRoles();
//        for (Role role:roles){
//            //遍历角色集合，为用户授予角色
//            list.add(new SimpleGrantedAuthority(role.getKeyword()));
//            Set<Permission> permissions = role.getPermissions();
//            //遍历权限集合，为用户授权
//            for (Permission permission:permissions){
//                list.add(new SimpleGrantedAuthority(permission.getKeyword()));
//            }
//        }
//        org.springframework.security.core.userdetails.User user1 =
//                new org.springframework.security.core.userdetails.User(username,user.getPassword(),list);
//        return user1;
//    }
//}
